Forms of Energy

What is the energy transformation?
sun ----> apple tree
(think about what the plant needs for photosynthesis)

• chemical to nuclear

• nuclear to chemical

• heat to chemical

• chemical to mechanical

The pizza that you eat has ___ energy.

• Chemical
• Electrical
• Kinetic
• Sound

Some students observing a classroom device being used, noticed the below energy transformations. 
Electrical → Mechanical → Sound
Which device were the students most likely observing?

• A triple beam balance measuring an object’s mass.
• A pencil sharpener plugged into a wall outlet.
• A projector displaying a diagram on the screen.
• A working flashlight used to light up a dark corner.

Which of these is an example of light energy being transformed into chemical energy?

• A glow stick lights up when broken.
• Water heated by the sun evaporates.
• A plant makes sugar in the sunlight.
• A battery causes a buzzer to vibrate.

Which kind of energy change occurs when a candle is burning?

• Chemical to light.
• Light to electrical.
• Solar to heat.
• Chemical to electrical.

The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

• Solar
• Light
• Thermal
• Mechanical

Which type of energy propels a baseball after it has been struck by a bat?

• chemical

• thermal

• mechanical

• nuclear

Strong wind spinning a wind turbine can generate which type of energy?

• mechanical

• electrical

• thermal

• chemical

What is the energy transformation?

• Electromagnetic to Electrical
• Mechanical to Electrical
• Electrical to Thermal
• Kinetic to Sound

Which of the following devices transforms electrical energy into mechanical energy?

• An e-reader
• a fan
• a manual pencil sharpener
• ipod